Convert //cc from scoped_ptr to std::unique_ptr.

cc/test/proxy_main_for_test.cc

Index: cc/test/proxy_main_for_test.cc
diff --git a/cc/test/proxy_main_for_test.cc b/cc/test/proxy_main_for_test.cc
index 6a9fa4188bbbd66ac16d127477de4e61be6c9c7d..715e997ca8de9f4af70e753a6ecfb499bfe24866 100644
--- a/cc/test/proxy_main_for_test.cc
+++ b/cc/test/proxy_main_for_test.cc
@@ -10,25 +10,26 @@
 
 namespace cc {
 
-scoped_ptr<ProxyMainForTest> ProxyMainForTest::CreateThreaded(
+std::unique_ptr<ProxyMainForTest> ProxyMainForTest::CreateThreaded(
     TestHooks* test_hooks,
     LayerTreeHost* host,
     TaskRunnerProvider* task_runner_provider) {
-  scoped_ptr<ProxyMainForTest> proxy_main(
+  std::unique_ptr<ProxyMainForTest> proxy_main(
       new ProxyMainForTest(test_hooks, host, task_runner_provider));
-  scoped_ptr<ThreadedChannelForTest> channel = ThreadedChannelForTest::Create(
-      test_hooks, proxy_main.get(), task_runner_provider);
+  std::unique_ptr<ThreadedChannelForTest> channel =
+      ThreadedChannelForTest::Create(test_hooks, proxy_main.get(),
+                                     task_runner_provider);
   proxy_main->threaded_channel_for_test_ = channel.get();
   proxy_main->SetChannel(std::move(channel));
   return proxy_main;
 }
 
-scoped_ptr<ProxyMainForTest> ProxyMainForTest::CreateRemote(
+std::unique_ptr<ProxyMainForTest> ProxyMainForTest::CreateRemote(
     TestHooks* test_hooks,
     RemoteProtoChannel* remote_proto_channel,
     LayerTreeHost* host,
     TaskRunnerProvider* task_runner_provider) {
-  scoped_ptr<ProxyMainForTest> proxy_main(
+  std::unique_ptr<ProxyMainForTest> proxy_main(
       new ProxyMainForTest(test_hooks, host, task_runner_provider));
   proxy_main->SetChannel(RemoteChannelMain::Create(
       remote_proto_channel, proxy_main.get(), task_runner_provider));
@@ -70,7 +71,8 @@ void ProxyMainForTest::DidCommitAndDrawFrame() {
   ProxyMain::DidCommitAndDrawFrame();
 }
 
-void ProxyMainForTest::SetAnimationEvents(scoped_ptr<AnimationEvents> events) {
+void ProxyMainForTest::SetAnimationEvents(
+    std::unique_ptr<AnimationEvents> events) {
   test_hooks_->ReceivedSetAnimationEvents();
   ProxyMain::SetAnimationEvents(std::move(events));
 }
@@ -98,15 +100,15 @@ void ProxyMainForTest::DidCompletePageScaleAnimation() {
 }
 
 void ProxyMainForTest::PostFrameTimingEventsOnMain(
-    scoped_ptr<FrameTimingTracker::CompositeTimingSet> composite_events,
-    scoped_ptr<FrameTimingTracker::MainFrameTimingSet> main_frame_events) {
+    std::unique_ptr<FrameTimingTracker::CompositeTimingSet> composite_events,
+    std::unique_ptr<FrameTimingTracker::MainFrameTimingSet> main_frame_events) {
   test_hooks_->ReceivedPostFrameTimingEventsOnMain();
   ProxyMain::PostFrameTimingEventsOnMain(std::move(composite_events),
                                          std::move(main_frame_events));
 }
 
 void ProxyMainForTest::BeginMainFrame(
-    scoped_ptr<BeginMainFrameAndCommitState> begin_main_frame_state) {
+    std::unique_ptr<BeginMainFrameAndCommitState> begin_main_frame_state) {
   test_hooks_->ReceivedBeginMainFrame();
   ProxyMain::BeginMainFrame(std::move(begin_main_frame_state));
 }